libio/PlotFile.h

   1 /* This is part of libio/iostream, providing -*- C++ -*- input/output.
   2 Copyright (C) 1993 Free Software Foundation
   3
   4 This file is part of the GNU IO Library.  This library is free
   5 software; you can redistribute it and/or modify it under the
   6 terms of the GNU General Public License as published by the
   7 Free Software Foundation; either version 2, or (at your option)
   8 any later version.
   9
  10 This library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this library; see the file COPYING.  If not, write to the Free
  17 Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 As a special exception, if you link this library with files
  20 compiled with a GNU compiler to produce an executable, this does not cause
  21 the resulting executable to be covered by the GNU General Public License.
  22 This exception does not however invalidate any other reasons why
  23 the executable file might be covered by the GNU General Public License. */
  24
  25 /*
  26   a very simple implementation of a class to output unix "plot"
  27   format plotter files. See corresponding unix man pages for
  28   more details.
  29
  30   written by Doug Lea (dl@rocky.oswego.edu)
  31   converted to use iostream library by Per Bothner (bothner@cygnus.com)
  32 */
  33
  34 #ifndef _PlotFile_h
  35 #ifdef __GNUG__
  36 #pragma interface
  37 #endif
  38 #define _PlotFile_h
  39
  40 #include <fstream.h>
  41
  42 /*
  43    Some plot libraries have the `box' command to draw boxes. Some don't.
  44    `box' is included here via moves & lines to allow both possiblilties.
  45 */
  46
  47 extern "C++" {
  48 class PlotFile : public ofstream
  49 {
  50 protected:
  51   PlotFile& cmd(char c);
  52   PlotFile& operator << (const int x);
  53   PlotFile& operator << (const char *s);
  54
  55 public:
  56
  57   PlotFile() : ofstream() { }
  58   PlotFile(int fd) : ofstream(fd) { }
  59   PlotFile(const char *name, int mode=ios::out, int prot=0664)
  60       : ofstream(name, mode, prot) { }
  61
  62 //  PlotFile& remove() { ofstream::remove(); return *this; }
  63
  64 //  int           filedesc() { return ofstream::filedesc(); }
  65 //  const char*   name() { return File::name(); }
  66 //  void          setname(const char* newname) { File::setname(newname); }
  67 //  int           iocount() { return File::iocount(); }
  68
  69   PlotFile& arc(const int xi, const int yi,
  70                 const int x0, const int y0,
  71                 const int x1, const int y1);
  72   PlotFile& box(const int x0, const int y0,
  73                 const int x1, const int y1);
  74   PlotFile& circle(const int x, const int y, const int r);
  75   PlotFile& cont(const int xi, const int yi);
  76   PlotFile& dot(const int xi, const int yi, const int dx,
  77                 int n, const int* pat);
  78   PlotFile& erase();
  79   PlotFile& label(const char* s);
  80   PlotFile& line(const int x0, const int y0,
  81                  const int x1, const int y1);
  82   PlotFile& linemod(const char* s);
  83   PlotFile& move(const int xi, const int yi);
  84   PlotFile& point(const int xi, const int yi);
  85   PlotFile& space(const int x0, const int y0,
  86                   const int x1, const int y1);
  87 };
  88 } // extern "C++"
  89 #endif